Silva, D.S.M., Pereira, M.R. and Sperber, C.F. 2017. The type material of Gryllotalpidae Leach, 1815 (Insecta: Orthoptera: Ensifera) deposited in the Orthoptera collection of the Academy of Natural Sciences of Drexel University, Philadelphia (ANSP): an updated checklist. Zootaxa. 4318, 3 (Sep. 2017), 499–519. DOI:https://doi.org/10.11646/zootaxa.4318.3.4.